function extend(obj) {
     switch (obj){
	     case "presentation":
	         var ul = document.getElementById("presentation");
	         var img = document.getElementById("col");
		     break;
     
         case "produits":
	         var ul = document.getElementById("produit");
	         var img = document.getElementById("col0");
             break; 
	 
         case "vins":
	         var ul = document.getElementById("ou");
             var img = document.getElementById("col1");
             break;
	 
         case "contact":
	         var ul = document.getElementById("contact");
             var img = document.getElementById("col2");
             break;
	 }
	 
     var img_exp = "<img src='/include/image/gif/expanded.gif'>";
     var img_coll= "<img src='/include/image/gif/collapsed.gif'>";
	 
     if (ul.style.display == "none"){
         ul.style.display = "block";
         img.innerHTML = img_exp;
     }
	 
     else if (ul.style.display == "block"){
         ul.style.display = "none";
         img.innerHTML = img_coll;
     }
}

function change(val){
     var load;
     try {
         load = new ActiveXObject("Msxml2.XMLHTTP");
     } 
     catch (e) {
         try {
         load = new ActiveXObject("Microsoft.XMLHTTP");
	     } 
	         catch (e) {
	         load = false;
	         }
     }
	 
     if (!load && typeof XMLHttpRequest != 'undefined'){
         load = new XMLHttpRequest();
     }
     var url = "load.php?val=" + val;
     load.open("GET", url, true);
     load.onreadystatechange = function(){
	 
         if(load.readyState < 4){
		     var att = "<img src='include/image/gif/load.gif' style='position:absolute;top:269px;left:252px;'>";
             document.getElementById("center2").innerHTML = att;
		 }
		 
         if (load.readyState == 4 && load.status == 200) {
             document.getElementById("center2").innerHTML = load.responseText;
         }
     }
     load.send(null);
}

function show(img){
     var src = "include/php/img.php?photo=" + img;
	 var par = "height=750, width=850, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, directories=no, status=no";
     window.open (src, img, par);
}